TPS54494PWPR is a high-efficiency synchronous step-down (buck) regulator from Texas Instruments. It is designed to provide efficient power conversion for a wide range of applications, including automotive, industrial, and consumer electronics.
Description:
The TPS54494PWPR is a highly integrated, high-efficiency synchronous step-down regulator that can operate from an input voltage range of 4.5V to 28V. It is available in a compact 20-pin PowerPad package, which includes an exposed thermal pad for enhanced thermal performance.
Features:
- High Efficiency: The TPS54494PWPR offers high efficiency of up to 97%, which helps reduce power dissipation and improve overall system performance.
- Wide Input Voltage Range: The regulator can accept input voltages from 4.5V to 28V, making it suitable for a wide range of applications.
- Synchronous Rectification: The use of synchronous rectification in the output stage improves efficiency and reduces component count.
- High Output Current: The device can deliver output currents up to 3A, making it suitable for powering high-current loads.
- Low Dropout Voltage: The low dropout voltage of the regulator ensures stable operation even under low input voltage conditions.
- Programmable Soft Start: The soft-start feature can be programmed to minimize inrush current during power-up.
- Protection Features: The TPS54494PWPR includes various protection features such as over-current protection, over-voltage protection, and thermal shutdown.
- Small Form Factor: The compact 20-pin PowerPad package with an exposed thermal pad allows for easy integration into space-constrained applications.
Applications:
- Automotive Applications: Infotainment systems, instrument clusters, and LED lighting.
- Industrial Applications: Motor drives, programmable logic controllers, and industrial control systems.
- Consumer Electronics: Portable devices, smartphones, and tablets.
- Telecommunications: Base stations, routers, and network equipment.
- Medical Equipment: Patient monitoring devices and diagnostic equipment.
In summary, the Texas Instruments TPS54494PWPR is a high-efficiency synchronous step-down regulator that offers a wide input voltage range, high output current capability, and various protection features. Its compact form factor and high efficiency make it suitable for a wide range of applications, including automotive, industrial, and consumer electronics.